Chapter 1: One Rotating Problem
Chapter 2: One Rotating Problem
Chapter 3: One Rotating Problem
Chapter 4: Two Rotating Problems
Chapter 5: One Rotating Problem
Chapter 6: Four Rotating Problems
Chapter 7: One Problem
Chapter 8: One Rotating Problem
Chapter 9: Five Rotating Problems
Chapter 10: Three Rotating Problems
Chapter 11: Practice problems coming soon
Chapter 12: Four Rotating Problems
Chapter 13: Practice problems coming soon
Chapter 14: Three Rotating Problems
Chapter 15: Two Rotating Problems
Chapter 16: Four Rotating Problems
Chapter 17: Practice problems coming soon